<p>can we stay on campus for summer classes? also how often do they typically meet per week?</p>
<p>1.you have to pay for housing (as well as the classes themselves) but you can stay</p>
<p>2.[CU</a> Directory of Classes](<a href=“http://www.columbia.edu/cu/bulletin/uwb/]CU”>http://www.columbia.edu/cu/bulletin/uwb/)</p>